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194228814 = 23133317523
BaseRepresentation
bin10111001001110…
…11001001001110
3111112110211211210
423210323021032
5344210310224
631134555250
74545626523
oct1344731116
9445424753
10194228814
119a700a8a
1255068b26
13313164c0
141bb1d14a
15120b9429
hexb93b24e

194228814 has 32 divisors (see below), whose sum is σ = 419658624. Its totient is φ = 59574240.

The previous prime is 194228809. The next prime is 194228833. The reversal of 194228814 is 418822491.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22057 + ... + 29579.

It is an arithmetic number, because the mean of its divisors is an integer number (13114332).

Almost surely, 2194228814 is an apocalyptic number.

194228814 is an abundant number, since it is smaller than the sum of its proper divisors (225429810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194228814 is a wasteful number, since it uses less digits than its factorization.

194228814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7872.

The product of its digits is 36864, while the sum is 39.

The square root of 194228814 is about 13936.5998005252. The cubic root of 194228814 is about 579.1235414594.

The spelling of 194228814 in words is "one hundred ninety-four million, two hundred twenty-eight thousand, eight hundred fourteen".

Divisors: 1 2 3 6 13 26 39 78 331 662 993 1986 4303 7523 8606 12909 15046 22569 25818 45138 97799 195598 293397 586794 2490113 4980226 7470339 14940678 32371469 64742938 97114407 194228814